/*
 *  Licensed under the Apache License, Version 2.0 (the "License");
 *  you may not use this file except in compliance with the License.
 *  You may obtain a copy of the License at
 * 
 *       http://www.apache.org/licenses/LICENSE-2.0
 * 
 *  Unless required by applicable law or agreed to in writing, software
 *  distributed under the License is distributed on an "AS IS" BASIS,
 *  WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 *  See the License for the specific language governing permissions and
 *  limitations under the License.
 *  under the License.
 */
package au.com.domlogic.pvc.core.element;

import org.w3c.dom.Element;

/**
 *
 * @author Domenic Figliomeni
 */
public abstract class PVCElementDecorator
        extends CompositeElement implements PVCElement {

    protected PVCElementDecorator(PVCElement element) {
        this.setUnderlyingElement(element);
    }

    @Override
    protected PVCElement getUnderlyingElement() {
        return (PVCElement) super.getUnderlyingElement();
    }

    @Override
    public Element gluePVC() {
        ((PVCElement) this.getUnderlyingElement()).gluePVC();
        decorate();
        return this;
    }

    /**
     * The implementing subclass will use this method to perform any operations
     * on the element, which they are built to do.  The element can be referenced
     * using 'this' keyword.
     */
    protected abstract void decorate();
}
